New Year's ToDos

[CaptnCodr]

• Upgrade to .NET7
• Update dependencies
  - Upgrade to FAKE 6 (beta)
• Update copyright-string in paket.templates
• Align throw and should for xUnit and MsTest, mentioned here: Using 'should throw' or 'should throwWithMessage' never succeeds unless function returns unit #218 (comment)

[CaptnCodr]

I cleaned up the issues too. 😄